Discover the answers you need at Westonci.ca, a dynamic Q&A platform where knowledge is shared freely by a community of experts. Join our platform to get reliable answers to your questions from a knowledgeable community of experts. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

Obtain the truth value of

(i)
If 5 + 6 = 11, then 11 – 6 = 5.

(ii)
If 5 + 8 = 12, then 12 + 8 = 20.

(iii)
If 6 + 9 = 14, then 14 – 7 = 8

(iv)
If 7 + 8 = 15, then 8 – 7 = 2